OCD-FL: A Novel Communication-Efficient Peer Selection-based Decentralized Federated Learning

• URL: http://arxiv.org/abs/2403.04037v2
• Date: Fri, 22 Nov 2024 16:42:26 GMT
• Title: OCD-FL: A Novel Communication-Efficient Peer Selection-based Decentralized Federated Learning
• Authors: Nizar Masmoudi, Wael Jaafar,
• Abstract summary: We propose an opportunistic communication-efficient decentralized federated learning (OCD-FL) scheme. OCD-FL consists of a systematic FL peer selection for collaboration, aiming to achieve maximum FL knowledge gain while reducing energy consumption. Experimental results demonstrate the capability of OCD-FL to achieve similar or better performances than the fully collaborative FL, while significantly reducing consumed energy by at least 30% and up to 80%.
• Score: 2.203783085755103
• License:
• Abstract: The conjunction of edge intelligence and the ever-growing Internet-of-Things (IoT) network heralds a new era of collaborative machine learning, with federated learning (FL) emerging as the most prominent paradigm. With the growing interest in these learning schemes, researchers started addressing some of their most fundamental limitations. Indeed, conventional FL with a central aggregator presents a single point of failure and a network bottleneck. To bypass this issue, decentralized FL where nodes collaborate in a peer-to-peer network has been proposed. Despite the latter's efficiency, communication costs and data heterogeneity remain key challenges in decentralized FL. In this context, we propose a novel scheme, called opportunistic communication-efficient decentralized federated learning, a.k.a., OCD-FL, consisting of a systematic FL peer selection for collaboration, aiming to achieve maximum FL knowledge gain while reducing energy consumption. Experimental results demonstrate the capability of OCD-FL to achieve similar or better performances than the fully collaborative FL, while significantly reducing consumed energy by at least 30% and up to 80%.

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